static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(5, 60);
-/* Maximum number of milliseconds to wait for the config file to be
- * unlocked. If set to zero, no waiting will occur. */
-static int lock_timeout = 500;
-
/* Maximum number of milliseconds to wait before pruning port entries that
* no longer exist. If set to zero, ports are never pruned. */
static int prune_timeout = 5000;
struct unixctl_server *unixctl;
const char *remote;
struct ovsdb_idl *idl;
- unsigned int idl_seqno;
int retval;
set_program_name(argv[0]);
process_init();
die_if_already_running();
- daemonize();
+ daemonize_start();
retval = unixctl_server_create(NULL, &unixctl);
if (retval) {
}
}
+ daemonize_complete();
+
idl = ovsdb_idl_create(remote, &ovsrec_idl_class);
- idl_seqno = ovsdb_idl_get_seqno(idl);
for (;;) {
const struct ovsrec_open_vswitch *ovs;
struct ovsdb_idl_txn *txn;
- int status;
- unsigned int new_idl_seqno;
+ enum ovsdb_idl_txn_status status;
ovsdb_idl_run(idl);
- /* xxx Complete hack to get around bad ovs! */
- new_idl_seqno = ovsdb_idl_get_seqno(idl);
- if (new_idl_seqno == idl_seqno) {
- ovsdb_idl_wait(idl);
- poll_block();
- printf("xxx trying again...\n");
- idl_seqno = new_idl_seqno;
- continue;
- }
-
- ovs = ovsrec_open_vswitch_first(idl);
- if (!ovs) {
- /* XXX it would be more user-friendly to create a record ourselves
- * (while verifying that the table is empty before doing so). */
- ovs_fatal(0, "%s: database does not contain any Open vSwitch "
- "configuration", remote);
- }
-
txn = ovsdb_idl_txn_create(idl);
unixctl_server_run(unixctl);
- brc_recv_update(ovs);
+ ovs = ovsrec_open_vswitch_first(idl);
+ if (ovs) {
+ brc_recv_update(ovs);
+ } else if (ovsdb_idl_get_seqno(idl)) {
+ static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 1);
+ VLOG_WARN_RL(&rl, "%s: database does not contain any Open vSwitch "
+ "configuration", remote);
+ } else {
+ /* Haven't yet received initial database contents. */
+ }
netdev_run();
#if 0
ovs_fatal(0, "transaction aborted");
case TXN_SUCCESS:
+ case TXN_UNCHANGED:
break;
case TXN_TRY_AGAIN:
parse_options(int argc, char *argv[])
{
enum {
- OPT_LOCK_TIMEOUT = UCHAR_MAX + 1,
OPT_PRUNE_TIMEOUT,
OPT_APPCTL_COMMAND,
VLOG_OPTION_ENUMS,
static struct option long_options[] = {
{"help", no_argument, 0, 'h'},
{"version", no_argument, 0, 'V'},
- {"lock-timeout", required_argument, 0, OPT_LOCK_TIMEOUT},
{"prune-timeout", required_argument, 0, OPT_PRUNE_TIMEOUT},
{"appctl-command", required_argument, 0, OPT_APPCTL_COMMAND},
DAEMON_LONG_OPTIONS,
OVS_PRINT_VERSION(0, 0);
exit(EXIT_SUCCESS);
- case OPT_LOCK_TIMEOUT:
- lock_timeout = atoi(optarg);
- break;
-
case OPT_PRUNE_TIMEOUT:
prune_timeout = atoi(optarg) * 1000;
break;
printf("\nConfiguration options:\n"
" --appctl-command=COMMAND shell command to run ovs-appctl\n"
" --prune-timeout=SECS wait at most SECS before pruning ports\n"
- " --lock-timeout=MSECS wait at most MSECS for CONFIG to unlock\n"
);
daemon_usage();
vlog_usage();